Aganazzar’s Scorcher

A line of roaring flame 30 feet long and 5 feet wide emanates from you in a direction you choose.
Each creature in the line must make a Dexterity saving throw. A creature takes 3d8 fire damage on a failed save, or half as much damage on a successful one.

At higher level

When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d8 for each slot level above 2nd.

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